Tools
Online tuner
Tune guitar, bass, ukulele, mandolin or banjo with the microphone, or by ear from a reference note for each string, in standard and alternate tunings.
Metronome
Steady clicks from 30 to 250 beats per minute, with time signatures, subdivisions, accents and tap tempo.
Guitar chord chart
The first chords every guitarist learns, drawn as diagrams you can tap to hear.
Ukulele chord chart
The essential ukulele chords in standard tuning, with sound.
Inside the guides
- The guitar size finder suggests a size from a child's age and height.
- The synthesizer guide has a playable synth with a filter and an ADSR envelope.
- The alternate tunings guide plays the open strings of each tuning.
- On the lessons page, three quick questions point you to the right lesson pages.




